#531 ATtiny SSD1306 I²C

Basic demonstration using an ATtiny85 to drive an SSD1306 OLED over I²C

Here’s a quick demo..

Notes

In LEAP#530 I driving an I²C OLED display with an Arduino. This is the same idea, but using an ATtiny85.

For this test, I’m using a white 128x32 0.91” OLED Module.

OLED Module Specs

• OLED display, self-illuminating (no backlight), also lower consumption.
• Driver IC: SSD1306
• Size: 0.91 inch
• OLED Resolution: 128 x 32
• I²C interface

Example Sketch

BasicDemo.ino demonstrates the basics of bringing up the OLED display and running some graphics and text routines.

Since most OLED drivers require the Arduino Wire library, they can’t be used with the ATtiny.

As a replacement, I’m using the Tiny4kOLED driver, which uses the Adafruit-TinyWireM I²C library for the ATtiny.

Construction

Credits and References

• ATtiny85 datasheet
• white 128x32 0.91” OLED Module
• SSD1306 datasheet
• Tiny4kOLED
• Adafruit-TinyWireM